OralSlides is an AI-powered tool that converts PowerPoint (PPTX) and PDF presentations into narrated MP4 videos. Using multimodal AI, it analyzes each slide's text, charts, images, and layout to generate a coherent narration script, then adds natural AI voiceover. Preserves your original slide design. Export MP4 in minutes. Free tier: 3 credits. Paid plans from $6/month.